The national average price of diesel surged to around $6.50 a gallon in September 2026, driven by geopolitical conflicts in Ukraine and Iran

Overview Debates Related claims Topics Sources

High gas prices and rising living costs driven by the U.S. war on Iran, ongoing since February, have put Republicans on the defensive ahead of the November 3, 2026 midterm elections

An October 2026 Moody's estimate found that surging fuel prices, airfares, and mortgage rates tied to the U.S. war on Iran, ongoing since February, cost each American household an average of $2,000

Public dissatisfaction with affordability, inflation, and high gas prices stemming from the Iran war has driven down President Donald Trump's approval ratings ahead of the midterms

Average U.S. gas prices reached $4.26 per gallon on October 21, 2026, up almost $1.21 from the prior year following U.S. strikes on Iran and conflict in the Strait of Hormuz, according to AAA

U.S. officials stated that Iran increased attacks on ships in the Strait of Hormuz to raise global oil prices and pressure President Donald Trump before U.S. midterm elections.

The Iranian government is withholding salaries, pensions, and benefits from public-sector workers, internal security forces, and Islamic Revolutionary Guard Corps personnel due to financial strain.

The U.S. naval blockade has cost Iran an estimated $25 billion in lost crude oil export revenue since the war began.

U.S. Central Command Commander Adm. Brad Cooper stated that the Islamic Revolutionary Guard Corps is failing to pay its own military troops amid severe financial strain.

Average gas prices in the United States reached $4.31 a gallon on October 17, 2026, representing an increase of nearly 45 percent since the start of the U.S. war with Iran.

U.S. national average gas prices reached $4.28 per gallon and diesel reached $6.32 per gallon following U.S. and Israeli military strikes on Iran in February 2026.

Rising diesel fuel prices and increased living costs facing American households have been driven in part by the ongoing U.S.-Israeli war with Iran

Farm state Republicans urged the Trump administration to address rising diesel costs caused by market disruptions linked to the war in Iran

The national average price for a gallon of diesel fuel reached $6.3187 in October 2026, compared to an average price of $3.63 per gallon one year prior

Rising fuel prices and economic knock-on effects from the U.S.-Israel military conflict with Iran contributed to a steady decline in Donald Trump's public approval ratings

Ongoing military conflict involving Iran has driven up fuel expenses, with Korean American voter Rebecca Larocco reporting local gas prices rising by almost $1.50 a gallon.

The conflict in Iran is affecting gas prices and elevating broader living costs across the United States ahead of the November 2026 midterm elections.

Vice President JD Vance attributed elevated U.S. gas prices to Joe Biden's administration losing roughly 20% of American refining capacity, as well as Iranian disruptions to shipping in the Strait of Hormuz.

U.S. President Donald Trump publicly blamed Ukrainian President Volodymyr Zelenskyy for rising global energy prices following Ukrainian drone strikes on Russian oil refineries

U.S. President Donald Trump posted on Truth Social in October 2026 that diesel fuel prices for Americans and the world would come down fast in record numbers

Energy experts attribute elevated global fuel prices primarily to President Donald Trump's ongoing war against Iran rather than Russian market constraints